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Html5 canvas arcTo (), html5canvasarcto

Source: Internet
Author: User
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Html5 canvas arcTo (), html5canvasarcto

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN "" http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <Html xmlns =" http://www.w3.org/1999/xhtml "> <Head> <meta http-equiv =" Content-Type "content =" text/html; charset = UTF-8 "/> <title> html5 canvas starts from the circle </title> <script src =" js/modernizr. js "> </script> 

Context. arcTo (350,350,100,100, 20 );


X1, y1, x2, y2, radius


First, you must have the path context. lineTo (100,200 );


Then create a small arc


Then this process is complicated and it hurts !!!


The approximate meaning is (x1, y1) to (x2, y2) the path tangent




 


I can understand this picture.


 

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